Question

how to test starch in food

Answer 1

Answer:

A chemical test for starch is to add iodine solution (yellow/brown) and look for a colour change. In the presence of starch, iodine turns a blue/black colour. It is possible to distinguish starch from glucose (and other carbohydrates) using this iodine solution test.

Answer 2

Answer:

Iodine solution

Explanation:

We can use iodine to test for the presence or absence of starch in a food sample.

Add drops of iodine solution to the food sample

A positive test will show a colour change from orange-brown to blue-black

Hope this helps! :)